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📄 README(205 B)
📄 abiutils_test.go(14.51 KB)
📄 abiutilsaux_test.go(3.24 KB)
📄 align_test.go(1.57 KB)
📄 bench_test.go(2.08 KB)
📄 clobberdead_test.go(1.25 KB)
📄 constFold_test.go(322.99 KB)
📄 dep_test.go(858 B)
📄 divconst_test.go(7.74 KB)
📄 fixedbugs_test.go(2.24 KB)
📄 float_test.go(12.48 KB)
📄 global_test.go(2.59 KB)
📄 iface_test.go(1.92 KB)
📄 inl_test.go(8.19 KB)
📄 inst_test.go(2.21 KB)
📄 intrinsics_test.go(1.08 KB)
📄 issue50182_test.go(1.24 KB)
📄 lang_test.go(1.47 KB)
📄 logic_test.go(11.08 KB)
📄 mulconst_test.go(4.29 KB)
📄 race.go(1.33 KB)
📄 reproduciblebuilds_test.go(2.9 KB)
📄 shift_test.go(21.62 KB)
📄 ssa_test.go(5.12 KB)
📄 switch_test.go(2.29 KB)
📄 test.go(13 B)
📁 testdata
📄 truncconst_test.go(1.76 KB)
📄 zerorange_test.go(4.06 KB)

Editing: global_test.go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package test

import (
	"bytes"
	"internal/testenv"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
	"testing"
)

// Make sure "hello world" does not link in all the
// fmt.scanf routines. See issue 6853.
func TestScanfRemoval(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	t.Parallel()

// Make a directory to work in.
	dir, err := ioutil.TempDir("", "issue6853a-")
	if err != nil {
		t.Fatalf("could not create directory: %v", err)
	}
	defer os.RemoveAll(dir)

// Create source.
	src := filepath.Join(dir, "test.go")
	f, err := os.Create(src)
	if err != nil {
		t.Fatalf("could not create source file: %v", err)
	}
	f.Write([]byte(`
package main
import "fmt"
func main() {
	fmt.Println("hello world")
}
`))
	f.Close()

// Name of destination.
	dst := filepath.Join(dir, "test")

// Compile source.
	cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", dst, src)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("could not build target: %v\n%s", err, out)
	}

// Check destination to see if scanf code was included.
	cmd = exec.Command(testenv.GoToolPath(t), "tool", "nm", dst)
	out, err = cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("could not read target: %v", err)
	}
	if bytes.Contains(out, []byte("scanInt")) {
		t.Fatalf("scanf code not removed from helloworld")
	}
}

// Make sure -S prints assembly code. See issue 14515.
func TestDashS(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	t.Parallel()

// Make a directory to work in.
	dir, err := ioutil.TempDir("", "issue14515-")
	if err != nil {
		t.Fatalf("could not create directory: %v", err)
	}
	defer os.RemoveAll(dir)

// Compile source.
	cmd := exec.Command(testenv.GoToolPath(t), "build", "-gcflags", "-S", "-o", filepath.Join(dir, "test"), src)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("could not build target: %v\n%s", err, out)
	}

patterns := []string{
		// It is hard to look for actual instructions in an
		// arch-independent way. So we'll just look for
		// pseudo-ops that are arch-independent.
		"\tTEXT\t",
		"\tFUNCDATA\t",
		"\tPCDATA\t",
	}
	outstr := string(out)
	for _, p := range patterns {
		if !strings.Contains(outstr, p) {
			println(outstr)
			panic("can't find pattern " + p)
		}
	}
}

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Editing: global_test.go

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